| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 01/22/2014 | CN203406871U Optical and electrical interface structure device for large-size box |
| 01/22/2014 | CN203406870U Coding and decoding system for optical fiber communication of controllable high-voltage paralleling reactor |
| 01/22/2014 | CN203406869U Fiber communication network system with embedded optical power detection apparatus |
| 01/22/2014 | CN203404621U Pipeline system with functions of sensing and communication |
| 01/22/2014 | CN103534963A Optical receiver for amplitude-modulated signals |
| 01/22/2014 | CN103534962A Optical frequency supervising device |
| 01/22/2014 | CN103534961A Protection switching method, system and node |
| 01/22/2014 | CN103533290A Internal visual intercom terminal based on PON (passive optical network) |
| 01/22/2014 | CN103532900A Dynamic compensation method for reducing LED (Light Emitting Diode) nonlinear distortion of visible light Flip-OFDM (Orthogonal Frequency Division Multiplexing) communication system |
| 01/22/2014 | CN103532636A Optical module and receiving unit thereof |
| 01/22/2014 | CN103532635A 可调谐相干光接收机和方法 Tunable coherent optical receiver and method |
| 01/22/2014 | CN103532634A Optical fiber communication system capable of regulating received optical power adaptively and running method thereof |
| 01/22/2014 | CN103532633A Automatic bias control method and device used for optical transmitter |
| 01/22/2014 | CN103532632A Tunable microwave pulse signal precise generation method and device by adopting polarization quadrature modulation |
| 01/22/2014 | CN103532631A Pluggable GPON ONU (Gigabit Passive Optical Network Optical Network Unit) for local area network switch system |
| 01/22/2014 | CN103532630A Light path amplification station of communication cable line |
| 01/22/2014 | CN103532629A Method and device for improving uplink time delay adjustment of digital optical fiber repeater |
| 01/22/2014 | CN103532628A Polarization multilevel signal optical receiving apparatus, polarization multilevel signal optical transmitting apparatus, and polarization multilevel signal optical transmission apparatus |
| 01/22/2014 | CN103532627A Phase stabilizing device for long-distance optical-fiber transmission of unknown microwave signals |
| 01/22/2014 | CN103532626A Network terminal devices and fiber-optic network operation method |
| 01/22/2014 | CN103532625A White-light LED (light-emitting diode) speech signal communication transceiving system |
| 01/22/2014 | CN103532624A Short-distance optical wireless voice frequency transmission device |
| 01/22/2014 | CN103532623A Photo-communication relay transmission method and system based on polarization displacement keying modulation |
| 01/22/2014 | CN103532622A Optical fiber circuit testing device and system |
| 01/22/2014 | CN103532621A PCIe equipment and in-place detection method of PCIe equipment |
| 01/22/2014 | CN103532620A Systems and methods reducing coherence effect in narrow line-width light sources |
| 01/22/2014 | CN103532619A Simulation realization and control method of GPON (gigabit passive optical network) system constructed on basis of FPGA (field programmable gate array) |
| 01/22/2014 | CN103532618A Device and method for testing error code of optical module |
| 01/22/2014 | CN103532617A Movement track simulation method and movement track simulation system for onboard laser communication platforms |
| 01/22/2014 | CN103532616A Integrative optical cable fault detection device |
| 01/22/2014 | CN103532615A Path calculating method, nodes realizing path calculating method and path calculating unit |
| 01/22/2014 | CN103532244A Equipotential power supply and signal transmission system of high-voltage power transmission line on-line monitoring device |
| 01/22/2014 | CN103531014A Infrared remote control receiver of computer |
| 01/22/2014 | CN103530576A Computer infrared induction automatic screen locking device |
| 01/22/2014 | CN103529568A Rectangular optical filter system based on stimulated brillouin scattering effect |
| 01/22/2014 | CN102944917B Erbium-doped optical fiber amplifier |
| 01/22/2014 | CN102186123B Multicast-sharing and multilayer protection method based on subtrees in WDM (wavelength division multiplexer) optical network, |
| 01/22/2014 | CN102148647B Method, device and system for increasing distance of GPON (gigabit passive optical network) |
| 01/22/2014 | CN102082604B Crosstalk factor estimation device and crosstalk factor estimation method |
| 01/22/2014 | CN101741469B Optical line terminal and optical line transceiver system |
| 01/22/2014 | CN101310458B Methods and apparatus for optical transmission of digital signals |
| 01/21/2014 | US8634727 Coherent optical receiver, apparatus and method for detecting interchannel skew in coherent optical receiver |
| 01/21/2014 | US8634726 Polarization and differential-group-delay insensitive digital timing error detection for polarization-multiplexed coherent optical systems |
| 01/21/2014 | US8634725 Method and apparatus for transmitting data using visible light communication |
| 01/21/2014 | US8634724 Power manageable optical OFDM transponder |
| 01/21/2014 | US8634723 Optical communications with polarization dependent loss compensation |
| 01/21/2014 | US8634722 Non-contact transmission of optical signals |
| 01/21/2014 | US8634721 Method, system, and apparatus for optical communication |
| 01/21/2014 | US8634719 Systems and methods for enabling different network nodes of a network access system to share a backhaul communications link |
| 01/21/2014 | US8634717 DDoS attack detection and defense apparatus and method using packet data |
| 01/21/2014 | US8634716 Data transmission network |
| 01/21/2014 | US8634715 System and method for demand aggregation in optical networks employing shared ring protection |
| 01/21/2014 | US8634713 Fibre monitoring in optical networks |
| 01/16/2014 | WO2014012109A1 Optical network unit power management in passive optical networks |
| 01/16/2014 | WO2014011396A1 Method and apparatus providing wave division multiplexing optical communication system with active carrier hopping |
| 01/16/2014 | WO2014011314A1 High-bandwidth optical communications relay payload |
| 01/16/2014 | WO2014011092A1 Method and arrangement for providing data plane redundancy |
| 01/16/2014 | WO2014010839A1 Led communication apparatus, and method and system, for advertisement contents using led sign |
| 01/16/2014 | WO2014010515A1 Light receiver and light-receiving current monitoring method |
| 01/16/2014 | WO2014010151A1 Wavelength-division multiplex communication device and optical network system |
| 01/16/2014 | WO2014009720A1 Remote sensing device and monitoring apparatus |
| 01/16/2014 | WO2014008712A1 Passive optical network and optical module of optical network unit thereof |
| 01/16/2014 | WO2014008659A1 Wavelength negotiation method, system, and device for multi-wavelength passive optical network |
| 01/16/2014 | WO2013174376A3 Circuit configuration and method for receiving digital optical signals |
| 01/16/2014 | US20140016949 Optical signal detection circuit and optical receiver |
| 01/16/2014 | US20140016948 Optical receiver |
| 01/16/2014 | US20140016947 Method of decoding optical data signals |
| 01/16/2014 | US20140016945 Information System Including a Card and a Card Reader Connected Optically |
| 01/16/2014 | US20140016944 Method, device, and system for saving energy in optical communication |
| 01/16/2014 | US20140016943 Filter-based dpsk communications system |
| 01/16/2014 | US20140016942 Intrapersonal data communication systems |
| 01/16/2014 | US20140016941 High-bandwidth optical communications relay architecture |
| 01/16/2014 | US20140016936 Methods and apparatus to deploy fiber optic based access networks |
| 01/16/2014 | US20140016935 Fiber optic network adjustment |
| 01/16/2014 | US20140016930 Monitoring optical decay in fiber connectivity systems |
| 01/16/2014 | US20140016929 Method for estimating amount of wavelength dispersion, wavelength dispersion compensation circuit, and receiving device |
| 01/16/2014 | US20140016928 Tone Signaling For Coherent Optical Data Receivers |
| 01/16/2014 | US20140016927 Spectral Analysis For Coherent Optical Receivers |
| 01/16/2014 | US20140016926 System and method for performing in-service optical network certification |
| 01/16/2014 | US20140016924 Procedure and system for optical network survival against multiple failures |
| 01/16/2014 | US20140016923 Multilayer communications network system for distributing multicast services and a method for such a distribution |
| 01/16/2014 | DE10356868B4 Verfahren zur Steuerung einer Transmitterschaltung mit einer MOS-Open-Drain-Sendestufe sowie Transmitterschaltung mit MOS-Open-Drain-Sendestufe A method for controlling a transmitter circuit having a MOS open-drain transmitting stage and transmitter circuit with MOS open-drain transmitting stage |
| 01/15/2014 | EP2685651A1 Wavelength service information notification method, device and system |
| 01/15/2014 | EP2685642A2 Method and device for processing optical signals |
| 01/15/2014 | EP2685641A1 Optical amplification stage for otdr monitoring and related method and system for otdr monitoring of an optical communication link |
| 01/15/2014 | EP2684086A2 A tunable optical frequency comb generator |
| 01/15/2014 | EP2684083A2 Optical modulator utilizing unary encoding and auxiliary modulator section for load balancing |
| 01/15/2014 | EP2683525A1 Rotary transmission device for machine tools |
| 01/15/2014 | EP1398987A9 Wireless communication system with mobile radio transceivers selection function |
| 01/15/2014 | CN203399210U Enhanced wireless monitoring camera |
| 01/15/2014 | CN203399139U Novel DQPSK demodulator |
| 01/15/2014 | CN203399130U Antenna feeder system comprehensive analytical device with fiber fault locating function |
| 01/15/2014 | CN203399127U Light receiving equipment of network management control type |
| 01/15/2014 | CN203399126U Light receiving equipment for preventing radio frequency impact on amplifier |
| 01/15/2014 | CN203399125U Electrical level adjuster for optical receiver |
| 01/15/2014 | CN203399124U Building-type light-receiving adjustable isostatic-correction circuit |
| 01/15/2014 | CN203399123U Optical fiber data card adopting secondary step-down power supply |
| 01/15/2014 | CN203399122U Optical transmitter and receiver of gigabit Network |
| 01/15/2014 | CN203399121U High sensitive TTL optical module from 0 to 50Mb |
| 01/15/2014 | CN203399120U 1550nm optical inserting device |